*SUPPORT*
IN: kiki dax wif OUT: PURPLE YELLOW YELLOW YELLOW
IN: fep blicket fep OUT: RED RED RED
IN: fep blicket wif OUT: YELLOW YELLOW RED
IN: zup blicket wif tufa wif OUT: YELLOW YELLOW YELLOW GREEN YELLOW YELLOW YELLOW GREEN
IN: wif blicket kiki OUT: PURPLE PURPLE YELLOW
IN: wif blicket zup OUT: GREEN GREEN YELLOW
IN: wif dax kiki OUT: YELLOW PURPLE PURPLE PURPLE
IN: wif blicket wif OUT: YELLOW YELLOW YELLOW
IN: fep OUT: RED
IN: fep blicket kiki OUT: PURPLE PURPLE RED
IN: kiki OUT: PURPLE
IN: fep wif OUT: RED YELLOW
IN: zup blicket zup OUT: GREEN GREEN GREEN
IN: zup blicket fep OUT: RED RED GREEN

*QUERY*
IN: fep dax fep OUT: RED RED RED RED
IN: zup dax kiki OUT: GREEN PURPLE PURPLE PURPLE
IN: zup wif zup blicket zup OUT: GREEN YELLOW GREEN GREEN GREEN
IN: kiki dax zup OUT: PURPLE GREEN GREEN GREEN
IN: kiki dax fep OUT: PURPLE RED RED RED
IN: zup dax zup OUT: GREEN GREEN GREEN GREEN
IN: wif tufa kiki blicket kiki OUT: PURPLE PURPLE PURPLE YELLOW PURPLE PURPLE PURPLE YELLOW
IN: zup OUT: GREEN
IN: wif tufa wif OUT: YELLOW YELLOW YELLOW YELLOW
IN: fep kiki OUT: RED PURPLE

*GRAMMAR*
wif -> YELLOW 
 kiki -> PURPLE 
 fep -> RED 
 zup -> GREEN 
 u1 dax u2 -> [u1] [u2] [u2] [u2] 
 x1 tufa x2 -> [x2] [x1] [x2] [x1] 
 u1 blicket u2 -> [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 